.s1 {
	position: fixed;
	width: 100%;
	height: 50px;
	top: 164px;
	background: #00FFFF;
	z-index: 2;
	font-size: 20px;
	color: #FFFFFF;
	line-height: 50px;
	text-align: center;
	font-weight: 700;
	letter-spacing: 13px;
}
.s2 {
	position: relative;
	width: 100%;
	height: 150px;
	z-index: 99;
	background: #FFFF00;
}
.s3 {
	position: relative;
	z-index: 0;
	width: 100%;
	height: 404px;
	background: #FF0000;
}